To cause to rest by soothing influences; to compose; to calm; to soothe; to quiet.
- To cause to sleep or rest; soothe or calm.
- To deceive into trustfulness: "that honeyed charm that he used so effectively to lull his victims” ( S.J. Perelman).
- To become calm.
- A relatively calm interval, as in a storm.
- An interval of lessened activity: a lull in sales.